Table of Contents
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PREPARATION FOR OPERATION
1 Installing the air cylinder assembly
( 1 ) Align the air cylinder assembly to the back of the arm as shown below and then fit the driving link
into the pin.
Fit a driving link between the nylon washers.
( 2 ) Install the air cylinder assembly on the back of the arm.
Tighten the bracket and the back of the arm with the enclosed bolt.
2 Connecting the electric cables to the control box
Connect wires and pipes as follows.
( 1 ) Install the solenoid valve and the filter regulator assembly ① within the reach of the urethane tube
/cord under the table.
( 2 ) Install two attached elbow unions ②, ③ on the rear cover locating at the back of the arm.
( 3 ) Arrange piping by urethane tubes between the upper elbow union ② installed by step ( 2 ) and the
port B ( ④ B ) of the upper presser foot lifter solenoid valve ④, and between the lower elbow union
③ and the port A ( ④ A ).
( 4 ) Connect the connecter ⑤ of the presser bar lifter solenoid valve ④ to the presser foot lifter
connector on the control box.
( 5 ) Connect the urethane tube ⑥ from the top of the sewing machine to the port A ( 7 Ⓐ ) of the
instant alternating solenoid valve ⑦.
( 6 ) Connect the 3-pin connector ⑧ of the sewing machine connector and the connector of the instant
alternating solenoid valve ⑦.
( 7 ) When the knee switch ⑨ is substituted for the instant alternating switch, connect the 2-pin
connector ⑩ supplied as an option B to the knee switch.
Back of the arm
Driving link
Bolt
Nylon
washer
Pin
— 1 —
Bracket
Air cylinder assembly
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